Home / 3,698.40-5,551.65-2,313.30

Finding the Fourth Proportional to 3,698.40, 5,551.65 and 2,313.30

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Solution

The fourth proportional to 3,698.40, 5,551.65 and 2,313.30 is: 3,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.40 : 5,551.65 = 2,313.30 : x
  2. Step 2: Convert to fraction form
    3,698.40/5,551.65 = 2,313.30/x
  3. Step 3: Cross multiply
    3,698.40x = 5,551.65 × 2,313.30
  4. Step 4: Simplify right side
    3,698.40x = 12,842,631.95
  5. Step 5: Solve for x
    x = 12,842,631.95/3,698.40
  6. Step 6: Final answer
    x = 3,472.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.